src/test/ui/specialization/defaultimpl/validation.stderr

   1 error: inherent impls cannot be `default`
   2   --> $DIR/validation.rs:7:14
   3    |
   4 LL | default impl S {}
   5    | -------      ^ inherent impl for this type
   6    | |
   7    | `default` because of this
   8    |
   9    = note: only trait implementations may be annotated with `default`
  10
  11 warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
  12   --> $DIR/validation.rs:2:12
  13    |
  14 LL | #![feature(specialization)]
  15    |            ^^^^^^^^^^^^^^
  16    |
  17    = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
  18    = help: consider using `min_specialization` instead, which is more stable and complete
  19    = note: `#[warn(incomplete_features)]` on by default
  20
  21 error: impls of auto traits cannot be default
  22   --> $DIR/validation.rs:9:21
  23    |
  24 LL | default unsafe impl Send for S {}
  25    | -------             ^^^^ auto trait
  26    | |
  27    | default because of this
  28
  29 error: impls of auto traits cannot be default
  30   --> $DIR/validation.rs:10:15
  31    |
  32 LL | default impl !Send for Z {}
  33    | -------       ^^^^ auto trait
  34    | |
  35    | default because of this
  36
  37 error[E0750]: negative impls cannot be default impls
  38   --> $DIR/validation.rs:10:1
  39    |
  40 LL | default impl !Send for Z {}
  41    | ^^^^^^^      ^
  42
  43 error[E0750]: negative impls cannot be default impls
  44   --> $DIR/validation.rs:14:1
  45    |
  46 LL | default impl !Tr for S {}
  47    | ^^^^^^^      ^
  48
  49 error: aborting due to 5 previous errors; 1 warning emitted
  50
  51 For more information about this error, try `rustc --explain E0750`.